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Plinth

· Private foundation

The David J Mastrocola Foundation

Its FY2025 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$186k
Granted FY2025still arriving
6
Grants FY2025still arriving
5
States reached
$125k
Largest
01What you fund
0196% classified

What you funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year — across FY20172025.

Education$720kInternational$412kReligion$118kHealth$23kArts & Culture$2kCommunity Improvement$50Other$0
02FY2025 · 6 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2025

  • Under $10k2 grants · $600
  • $10k–50k3 grants · $60k
  • $50k–250k1 grant · $125k
$25,132
Median grant
5
States reached
$391k
Total assets
Largest grants
RecipientAmount
BOSTON COLLEGE$125,046
SAVE THE CHILDREN$25,132
ST DAVID'S SCHOOL$25,132
AUTISM SPEAKS$10,000
Individual grant recipient$500
ST JUDE CHILDREN'S RESEARCH HOSPITAL$100
02The need
03

Do your dollars go where the need is?

Each grant placed by the hardship in its grantee’s ZIP, then read against the area’s typical level.

show:

Dollar for dollar, your grants (FY17–25) land where the poverty rate runs at 10%, against an area that typically sits at 8%. 55% of your dollars go to grantees based in above-average-need neighborhoods. Your grants spread fairly evenly across need levels.

area typical 8%BOSTON COLLEGE: $200k → 7%QUOGUE WILDLIFE REFUGE: $550 → 7%ALL SOULS SCHOOL: $5k → 17%AUTISM SPEAKS: $10k → 14%SAVE THE CHILDREN FEDERATION: $175k → 9%ST JUDE CHILDREN'S RESEARCH HOSPITAL: $100 → 17%AUTISM SPEAKS: $5k → 11%MILLBURN HIGH SCHOOL: $250 → 16%BAR HARBOR MUSIC FESTIVAL: $500 → 11%BOSTON COLLEGE: $125k → 7%QUOGUE WILDLIFE REFUGE: $500 → 7%BRICK CHURCH: $115k → 17%SAVE THE CHILDREN FEDERATION: $125k → 9%MILLBURN HIGH SCHOOL: $250 → 16%BOSTON COLLEGE: $125k → 7%QUOGUE ASSOCIATION: $50 → 7%ST DAVID'S SCHOOL: $50k → 17%SAVE THE CHILDREN: $25k → 9%BOSTON COLLEGE: $125k → 7%ST DAVID'S SCHOOL: $30k → 17%SAVE THE CHILDREN: $25k → 9%ST DAVID'S SCHOOL: $25k → 17%SAVE THE CHILDREN: $25k → 9%ST DAVID'S SCHOOL: $25k → 17%SAVE THE CHILDREN: $25k → 9%BRICK CHURCH: $3k → 17%SAVE THE CHILDREN: $10k → 9%ST DAVID'S SCHOOL: $2k → 17%ST DAVID'S SCHOOL: $2k → 17%ST DAVID'S SCHOOL: $2k → 17%AFRICAN DREAM ACADEMY: $250 → 17%BRICK CHURCH: $35 → 17%AMERICAN MUSEUM OF NATURAL HISTORY: $1k → 17%AMERICAN MUSEUM OF NATURAL HISTORY: $275 → 17%NATIONAL MULTIPLE SCLEROSIS SOCIETY: $2k → 17%AMERICAN MUSEUM OF NATURAL HISTORY: $150 → 17%NATIONAL MULTIPLE SCLEROSIS SOCIETY: $1k → 17%AMERICAN MUSEUM OF NATURAL HISTORY: $150 → 17%NATIONAL MULTIPLE SCLEROSIS SOCIETY: $1k → 17%AMERICAN MUSEUM OF NATURAL HISTORY: $150 → 17%THE CHILDREN'S STOREFRONT: $3k → 17%NATIONAL MULTIPLE SCLEROSIS SOCIETY: $150 → 17%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount

Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty linein the grantee’s ZIP, averaged from the tracts in that ZIP; grantee ZIP can differ from where services are delivered.

US grants placed by each grantee’s ZIP, which can differ from where services are actually delivered. Need from public data — U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA — shown as context about the area, never attributed to your giving.

03Your edge
repeat funding

Who you back again

Which organizations you funded more than once, and which you funded a single time. Each grantee is matched to its own filings.

99%of every dollar goes to organizations you’ve funded before.
$1.3M · 10 repeat orgs$8k to everyone else

10 repeat relationships — 5 still active in FY2025, 5 since wound down; 1 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

10
5

Total granted

$1.3M
$8k

Median revenue growth · since first grant

-11%
+25%

Still filing today

50%
80%

New vs renewed · share of each year

In FY2025, 100% of grant dollars renewed an existing relationship; $100 went to new ones.

50%100%’17’18’19’20’21’22’23’24’25
RenewedFirst-time

Where new relationships form · theme of each grantee’s first grant

’17’18’19’20’21’22’23’24’25
HealthInternationalEducationArts & CultureOther

First-time = a grantee’s first year in your filing window; renewed = funded in an earlier year too. As a portfolio matures the renewed share naturally climbs — once funded, an org stays “renewable” — so the signal is the years that buck it (a new-grantee intake wave). The earliest year is left-censored: relationships that predate the data read as “new.” Theme is the grantee’s IRS cause.

Backed again, and grew

  • TRUSTEES OF BOSTON COLLEGE
    4× · 2019–2025 · $576k · revenue +53%
  • Save The Children Federation Inc
    7× · 2017–2025 · $411k · revenue +21%
  • SD
    ST DAVID'S SCHOOL
    7× · 2019–2025 · $136k

Funded once

  • AS
    ALL SOULS SCHOOLgraduated
    one grant, 2017 · $5k · revenue +25%
  • TC
    THE CHILDRENS STOREFRONT
    one grant, 2017 · $3k · revenue -79%
  • BH
    BAR HARBOR MUSIC FESTIVAL
    one grant, 2024 · $500

Repeat = funded in two or more distinct years; growth and survival are read from each grantee’s own subsequent IRS filings.

04Your field

The map has a center of gravity: the average direction from the rest of the sector toward the organizations the foundation funds — the shape of its giving. Scoring every nonprofit along that direction surfaces the ones that look most like the portfolio. These are the closest matchesthat aren’t grantees — a resemblance in what they say they do, not a recommendation.

1
New York University

Nyu is a private university with approximately 60,000 matriculating students in 20 schools and institutes. nyu's primary missions are education, research and scholarship, and patient care.

Education
2
Science Museum of Minnesota

The museum's mission statement is "turn on the science: inspire learning. inform policy. improve lives."

Arts & Culture
3
Hugo W Moser Research Institute At Kennedy Krieger Inc

The hugo w. moser research institute at kennedy krieger, inc. (the "research institute") is an internationally recognized research facility finding answers to problems and injuries that affect a child's developing brain. researchers have…

Science & Tech
4
Target Als Foundation Inc

Our mission is to break down barriers to als research to find effective treatments. by uniting academia, the pharma and biotech industry, government, venture capital, related nonprofits, and the als community, we aim to overcome the…

Education
5
Lowell Observatory

The mission of lowell observatory is to pursue the study of astronomy, especially the study of our solar system and its evolution; to conduct pure research in astronomical phenomena; and to maintain quality public education and outreach…

Science & Tech
6
University of Miami

See Form 990, Part I, Line 1, Description of Organization Mission.

Education
7
The Adler Planetarium

The adler planetarium ('adler') is a not-for-profit cultural institution whose mission is to connect people to the universe and each other under the sky we all share. it aspires to be the world's premier center for engaging in astronomy…

Arts & Culture
8
New York Genome Center Inc

Operate a state-of-the-art, world-class genomic research center that creates and uses advanced genomics to understand the genetic basis of disease. for more information, see schedule o.

Health
9
The United States Holocaust Memorial Museum

Chartered by a unanimous act of congress, the museum is america's national institution for the documentation, study, interpretation, and education of holocaust history and serves as our country's memorial to the victims of the holocaust.…

Arts & Culture
10
University of Southern California

The central mission of the university of southern california is the development of human beings and society as a whole through the cultivation and enrichment of the human mind and spirit. the principal means by which our mission is…

Education
11
American Academy of Pediatrics

The mission of the american academy of pediatrics is to obtain optimal physical, mental and social health for all infants, children, adolescents, and young adults. the academy seeks to promote this goal by encouraging and assisting its…

Health
12
Association for Computing Machinery Inc

We are an intl. scientific & educational org. dedicated to advancing art, science & technology.

Science & Tech

For reference, the grantee most central to the portfolio’s shape is St Jude Children's Research Hospital Inc and the most unlike its peers is The Quogue Association Inc. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.

04the grantee network

10 grantees tracked through their own filings, 2017–2025.

Each one resolved to its own IRS returns and tracked year by year — your grant beside their revenue from every source. Association, dated; never a causal claim.

Counted here: distinct organizations you funded across 20172025, not grant rows in a single year — so this will not match the grant count on the cover. 10 of the 16 grantees resolved in that span have returns of their own we could reconcile; the rest are funded organizations whose filings we could not track year by year.

0
Load-bearing (≥25% of a budget)
0
Early backer (in before they grew)
10/10
Grantees still filing
4/10
Grew since you first funded

Where your money sits — by cause, then by grantee

TRUSTEES OF BOSTON COLLEGE — $575,548 · EducationTRUSTEES OF BOSTON COLLEGESave The Children Federation Inc — $411,477 · InternationalSave The Children Federation Inc+1 more — $250 · InternationalST DAVID'S SCHOOL — $136,429 · OtherST DAVID'S SCHOOLBRICK CHURCH — $117,857 · OtherBRICK CHURCH+7 more — $14,100 · OtherAUTISM SPEAKS INC — $15,000 · HealthNATIONAL MULTIPLE SCLEROSIS SOCIETY — $3,650 · Health+1 more — $100 · HealthAmerican Museum of Natural History — $1,725 · Arts & Culture
Education$575,548International$411,727Other$268,386Health$18,750Arts & Culture$1,725

Each org by its size and your share of it — top-left is where you’re load-bearing

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ your share of their budgetTRUSTEES OF BOSTON COLLEGE — $575,548 over 4y, 0.0% of budgetSave The Children Federation Inc — $411,477 over 7y, 0.0% of budgetAUTISM SPEAKS INC — $15,000 over 2y, 0.0% of budgetALL SOULS SCHOOL — $5,000 over 1y, 0.1% of budgetNATIONAL MULTIPLE SCLEROSIS SOCIETY — $3,650 over 4y, 0.0% of budgetTHE CHILDRENS STOREFRONT — $2,500 over 1y, 0.1% of budgetAmerican Museum of Natural History — $1,725 over 5y, 0.0% of budgetAfrican Dream Academy Foundation Incorporated — $250 over 1y, 0.1% of budgetST JUDE CHILDREN'S RESEARCH HOSPITAL INC — $100 over 1y, 0.0% of budgetTHE QUOGUE ASSOCIATION INC — $50 over 1y, 0.2% of budget
Go grantee by grantee — a decade per org, and how each moved after you funded them

A decade per grantee — revenue shaded, your grants as bars, all rows on one timeline.

Government reliance of your grantees

Every dot is one organization The David J Mastrocola Foundation funds. Left–right is the share of its income from government; up–down is the share from you. Bigger dots raise more. Filter to federal, a single department, or state — and drag the year to watch it move.

2024
202122232425
no gov · 00%0%1%3%5%your share of their income ↑0%10%20%30%40%share of the org’s income from governmentmedian 30%
  • Save the Children Federation Inc30% of income from government
  • Trustees of Boston College3% of income from government
no gov moneyreceives it· size = income
0get no government money at all
1report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–40%
typical government reliance, FY2025

Government income is each org’s traced federal awards (USASpending — grants and contracts) plus state payments (open checkbooks) as a share of its total revenue (IRS Form 990); the self-reported government-grant line (990 line 1e) is carried for cross-check: a grantee that reports government grants we could not trace to a source is left off the chart rather than shown as receiving none. An association, not a claim that your grant caused the public funding. Coverage is precision-first — a floor, not a census; state records exist for 9 states, so a grantee outside them shows no state figure (dimmed) rather than a false zero. Federal award amounts are obligations, which can span years, so a single-year share is indicative. 990 filings lag 12–24 months.

On method. Every financial figure here is read directly from IRS e-file XML — your own 990/990-PF and the multi-year returns of the 16 grantees we resolved across every year we hold, several hundred filings in all (a different count from the grant rows on the cover, which are one fiscal year)— each linked to its source. Grantee achievements and outcomes are each organization’s own program-service reporting (Form 990, Part III); we read these as association with sustained funding — the foundation is one of several forces — suppress low-confidence name matches rather than guess, and say so where a figure rests on a single grant or filing. Not everything on this page is a filed figure, and the difference matters. Filed is what you reported on your return. Official is another government record about an organization, such as a federal award or a charity register, joined by name where no shared identifier exists. Resolved is an identity we worked out where the filing named a recipient without an EIN, kept only above a measured confidence threshold. Computed is arithmetic over those, like themes, portfolio clusters and co-funder strength. Context is a statistic about a place rather than about an organization, which is what the need overlay is: it describes the area a grantee’s address sits in, not where its work lands. Inferred is drawn by a model from text, like the partnerships read out of public news and organization websites. Each is labeled where it appears. How we build these →

Generated from your IRS Form 990-PF e-file return for fiscal year 2025, released 2025. Filings run roughly 12–24 months behind; figures are dated accordingly.

Source object · view filing

More from the funding graph